/**
 * #      424
 * 名称   替换后的最长重复字符
 * 链接   https://leetcode-cn.com/problems/longest-repeating-character-replacement
 * 题解   [381](https://leetcode-cn.com/problems/longest-repeating-character-replacement/solution)
 * 通过率 52.7%
 * 难道   中等
 */

